What is the tallest known mountain in the universe?

3 Answers
Apr 2, 2016

Olympus Mons on Mars

Explanation:

We are not able to observe mountains beyond our own solar system yet. So the current record holder is Olympus Mons on Mars at about #3# times the height of Mount Everest.

Apr 3, 2016

Olympus Mons

Explanation:

Located in Mars, it is the tallest known mountain to humans. It is #3# times the height of Mt.Everest.

Apr 17, 2017

NOT Olympus Mons

Explanation:

According to http://study.com/academy/lesson/olympus-mons-facts-height-quiz.html, Olympus Mons - 22 km (13.7 mi) is the second highest mountain in the universe, and I am trying to find out what mountain is higher...

Added:
Rheasilvia Mons, 4 Vesta Asteroid – 23 km (14.2 mi)
4 Vesta Asteroid is orbiting our sun.